The scoring system will help clinicians make appropriate treatment for patients with cellular fibroepithelial lesions on core needle biopsy.

This study analyzed that the noise characteristics for the reduction gear of automotive power seat. First, the operating noise of the slide mechanism was measured using a microphone and then we found the gear mesh frequency. From this, the noise characteristics for the reduction gear assembly was analyzed by deriving the noise level for each frequency order from the time domain. Thus, it was found that the rotation direction of the reduction gear affects the characteristics of the operating noise.

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